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Ruthenium complexes of 4,4′-bi-1,2,3-thiadiazole and azoimine ligands: syntheses, crystallography, and electrochemical studies

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Abstract

Five ruthenium complexes of the general type trans-[RuII(btd)(Azo)Cl2] ({Azo = PhN=NC(COMe) = NC6HY, where Y = H (a), Me (b), OMe (c), Cl (d) or Br (e)} and btd = 4,4′-bi-1,2,3-thiadiazole) have been prepared by the reaction of RuCl3 with the ligands in the presence of LiCl. These complexes have been characterized by spectroscopic (IR, UV–Vis, and NMR) and electrochemical techniques. In addition, the complex trans-[RuII(btd)(L5)Cl2] (complex 5) has been characterized by X-ray diffraction analysis. The electrochemical parameter for the π-excessive ligand (btd) is reported. The absorption spectrum of complex 5 in acetonitrile has been modeled by time-dependent density functional theory.

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Acknowledgments

M. Al-Noaimi would like to thank King Abdulaziz University, Hashemite University, Jordan University of Science and Technology, for their research support. He also appreciates Dr. Christopher Ceccarelli (Agilent Technologies, Inc. Blacksburg, VA 24060. Agilent Technologies, Inc. 2000 Kraft Drive, Suite 1103, Blacksburg, VA 24060) for X-ray measurements.

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Authors and Affiliations

  1. Chemistry Department, College of Sciences and Arts, King Abdulaziz University, Rabigh Campus, Jeddah, Saudi Arabia

    Mousa Al-Noaimi

  2. Department of Applied Chemical Science, Faculty of Science and Arts, Jordan University of Science and Technology, Irbid, 22110, Jordan

    Mousa Al-Smadi

  3. Chemistry Department, Faculty of Science, University of Jordan, Amman, 11942, Jordan

    Salim F. Haddad

  4. Physics Department, Faculty of Science, The Hashemite University, Zarqa, Jordan

    Saleh Al-Omari

  5. Chemistry Department, The Hashemite University, Zarqa, Jordan

    Alaa Haniyeh

  6. Chemistry Department, Yarmouk University, Irbid, 21163, Jordan

    Abdel Monem Rawashdeh

  7. Department of Chemistry, The Hashemite University, Zarqa, Jordan

    Mousa Al-Noaimi

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  1. Mousa Al-Noaimi
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  2. Mousa Al-Smadi
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  3. Salim F. Haddad
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Correspondence to Mousa Al-Noaimi.

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Al-Noaimi, M., Al-Smadi, M., Haddad, S.F. et al. Ruthenium complexes of 4,4′-bi-1,2,3-thiadiazole and azoimine ligands: syntheses, crystallography, and electrochemical studies. Transition Met Chem 36, 409–416 (2011). https://doi.org/10.1007/s11243-011-9484-0

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